I think the number switch that will be most affected is on third down conversions. So there might actually be LESS interceptions and sacks, but only because the defense is finally getting off the field.
The real question that comes to my mind after watching the Seahawks defense is could the Pats go back to playing as much “base” defense as the Seahawks do? I still tend to think they’ll play to their strengths and play more sub with multiple defensive backs, but there’s certainly an argument to be made on the effectiveness of keeping a seven man box and continually generating pressure. Just depends on how much you trust your LBs/SS in coverage.